#time_slots.pyfrom datetime import datetime, timedeltaappointments = [(datetime(2012, 5, 22, 10), datetime(2012, 5, 22, 10, 30)), (datetime(2012, 5, 22, 12), datetime(2012, 5, 22, 13)), (datetime(2012, 5, 22, 15, 30), datetime(2012, 5, 22, 17, 10))]hours = (datetime(2012, 5, 22, 9), datetime(2012, 5, 22, 18))def get_slots(hours, appointments, duration=timedelta(hours=1)): slots = sorted([(hours[0], hours[0])] + appointments + [(hours[1], hours[1])]) for start, end in ((slots[i][1], slots[i+1][0]) for i in range(len(slots)-1)): assert start <= end, "Cannot attend all appointments" while start + duration <= end: print "{:%H:%M} - {:%H:%M}".format(start, start + duration) start += durationif __name__ == "__main__": get_slots(hours, appointments)% python time_slots.py 09:00 - 10:0010:30 - 11:3013:00 - 14:0014:00 - 15:00
